Name: Yoon
Birthday: 14 April 2004
Deathday: null
Place of Birth: Gwangju, South Korea
Known For: Acting
Shim Ja-yun (심자윤), known under her stage name Yoon (윤), is a South Korean singer/K-pop idol. She is under High Up Entertainment. She is best known as one of the lead vocalists of the girl group STAYC.
